(zoology) An electric ray of the genus Torpedo.

(military) A cylindrical explosive projectile used as a weapon, capable of traveling underwater and, in science fiction, through space.

(regional) A submarine sandwich.

(slang) A professional gunman or assassin.

(rail transport, US) A small explosive device attached to the top of the rail to provide an audible warning when a train passes over it.

A kind of firework in the form of a small ball, or pellet, which explodes when thrown upon a hard object.

(historical) An automobile with a streamlined profile and a folding or detachable soft top, and having the hood or bonnet line raised to be level with the car's waistline, resulting in a straight beltline from front to back.

(neuroscience) A focal ovoid swelling on the axons of Purkinje cells, observed in several diseases such as essential tremor and spinocerebellar ataxia.

(slang, chiefly US, usually in the plural) A woman's shoe with a pointed toe.

(slang, chiefly US, usually in the plural) A large breast; a breast with a large nipple.

(slang) A noun "torpedo" represents a marijuana cigarette, typically a thick one, or a cigarette containing both marijuana and crack cocaine.

To strike (a ship) with one or more torpedoes.

To sink (a ship) with one or more torpedoes.

(figurative) To undermine or destroy any endeavor with a stealthy, powerful attack.